Skip to content
Stork.AIstork.ai
AI Tool

imgproxy Review

imgproxy is an open-source, self-hosted image processing server designed for on-the-fly image manipulation and optimization.

shipped Aug 8, 2026infrastructurefreemium
Domain rating74Monthly visits322/mo
infrastructuredeveloper-toolsautomation
imgproxy — product screenshot

Why it matters

1imgproxy v4 introduced an internal cache and parallel image downloading for enhanced performance.
2The Pro version of imgproxy v4 supports RAW formats, image classification, and object cropping.
3Users report significant cost savings, with Photobucket saving over 60% after adopting imgproxy.
4imgproxy leverages libvips for high-performance image processing and low memory usage.

Specs

API Docs

View Documentation →

GitHub

View Repository →

API Available

Yes, public API

overview

What is imgproxy?

imgproxy is an infrastructure tool developed by imgproxy that enables developers and organizations to perform on-the-fly image manipulation and optimization. It acts as a middle layer between an application and image storage, dynamically resizing, cropping, converting, and optimizing images at the time of request. The server is open-source and self-hosted, providing users with control over their image processing pipeline. It supports various storage backends and can resize, filter, adjust, and watermark images via URL, integrating into existing infrastructure to provide core image transformation capabilities.

features

Key Features of imgproxy

imgproxy provides a comprehensive set of features for dynamic image processing, designed to optimize image delivery and reduce infrastructure load. Its capabilities range from basic transformations to advanced optimization and security measures.

  • On-the-fly image manipulation including resizing, cropping, rotating, and watermarking.
  • Support for a wide array of image formats: JPEG, PNG, GIF, WebP, AVIF, JPEG XL, SVG, ICO, HEIC, BMP, TIFF.
  • Image optimization features such as color profile and metadata stripping, PNG quantization, and auto-quality by file size.
  • Security enhancements including URL signing to prevent hotlinking and unauthorized access, and authorization by HTTP header.
  • Advanced smart cropping and object detection (Pro version) using machine learning models.
  • Internal cache (imgproxy Pro v4) for an additional, long-term caching layer.
  • Parallel image downloading (v4) leveraging libvips' streaming capabilities for faster response times.
  • SVG minification (v4) offering improved compression and performance.
  • RAW format support (imgproxy Pro v4) for direct processing of digital camera RAW images.
  • Preview generation for video, PDF, and Photoshop documents (Pro version).

use cases

Who Should Use imgproxy?

imgproxy is primarily designed for developers and organizations that require robust, self-hosted image processing capabilities. It is particularly beneficial for those managing high volumes of images and seeking to optimize performance, reduce costs, and maintain control over their image pipeline.

  • Web and Mobile Application Developers: To generate thumbnails and responsive images dynamically, ensuring faster page loads and optimal user experience.
  • SaaS Platforms: For powering user avatars, product images, and media galleries, offloading image transformations from application backends.
  • E-commerce Businesses: To dynamically resize and optimize product images, improving site performance and conversion rates.
  • Companies with High Image Volumes: To reduce bandwidth costs and development time by processing images on demand rather than storing multiple pre-generated versions.
  • Organizations Requiring Secure Image Delivery: To prevent hotlinking and unauthorized access using features like signed URLs and source-address restrictions.

how to use

How to Use imgproxy

imgproxy is typically deployed as a Docker container or via Linux packages, integrating into existing infrastructure. Users configure it to fetch images from various storage backends and process them based on URL parameters.

  • 1Deploy imgproxy: Install imgproxy using Docker images or Linux packages on a server or local machine.
  • 2Configure Storage Backends: Specify the source image storage, which can include local file systems, S3 buckets, or other cloud storage.
  • 3Define Processing Options: Construct image URLs with specific parameters for resizing, cropping, filtering, and other transformations.
  • 4Integrate with Application: Embed the generated imgproxy URLs into web pages or mobile applications.
  • 5Implement Security (Optional): Utilize URL signing to secure image requests and prevent unauthorized access.
  • 6Monitor Performance: Leverage enhanced observability features to monitor imgproxy's operations and performance.

pricing

imgproxy Pricing & Plans

imgproxy operates on a freemium model, offering a robust open-source version and a 'Pro' version with advanced features and priority support. The open-source version is available on GitHub, while the Pro version is a closed-source offering.

  • Open Source OSS: Free. Includes basic formats (JPEG, PNG, GIF, WebP, AVIF, JPEG XL), resizing, cropping, rotating, watermarking, filters, color profile and metadata stripping, PNG quantization, simple smart cropping, and auto-quality by file size.
  • Pro version: $49/month or $499/year. Includes all free features plus preview generation for video, PDF, and Photoshop documents, getting image info, advanced watermarking, color adjustment, advanced compression settings, GIF to MP4 conversion, SVG minification, object detection, advanced smart cropping, auto-quality by SSIM, best format selection, and priority support.

Pros

  • +High performance and low memory usage due to its Go-based architecture and libvips integration.
  • +Significant cost savings on bandwidth and storage compared to storing multiple image variants.
  • +Comprehensive feature set for on-the-fly image manipulation, optimization, and security.
  • +Self-hosted nature provides full control over the image processing pipeline and data.
  • +Strong community support for the open-source version and priority support for Pro users.
  • +imgproxy v4 introduces internal caching, parallel downloading, and enhanced SVG minification.

Cons

  • −Requires self-hosting and infrastructure management, which may be complex for smaller teams without DevOps expertise.
  • −Advanced features like object detection and RAW format support are exclusive to the paid Pro version.
  • −Initial setup and configuration may require technical knowledge of Docker or Linux environments.
  • −Reliance on URL parameters for transformations can lead to long or complex URLs if many options are applied.

Policies

Pricing Page

View Pricing→

Similar Tools

imgproxy vs Competitors

imgproxy competes in the on-the-fly image processing server market, differentiating itself through its Go-based architecture, performance, and comprehensive feature set, particularly in its Pro version.

1
Thumbor↗

Specializes in smart cropping and intelligent resizing, often used for large-scale image processing.

Thumbor is very similar to imgproxy in its core functionality, offering on-the-fly image manipulation via URL. It is written in Python, which might be a consideration for deployment environments compared to imgproxy's Go.

2
Imagor↗

A modern image processing server written in Go, focusing on performance, security, and a simple API.

Imagor is a direct competitor to imgproxy, sharing the same Go-based architecture and on-the-fly URL-based processing. It aims for a simpler configuration and potentially better performance in some scenarios.

3
ImageFlow↗

A high-performance image server and CDN that focuses on speed and advanced image optimization techniques.

ImageFlow offers similar on-the-fly image processing but positions itself more as a full image CDN with advanced optimization, whereas imgproxy is primarily a processing server. It might have a steeper learning curve for deployment due to its broader feature set.

See every imgproxy alternative, compared→

More on Stork

Related AI Tools

Other tools in this category, matched by shared tags

CDN.MNWebWave AIBookipi AI Website BuilderExecuTorchHugging Face SpacesChatGPT Team
Visit imgproxy↗
Connect
𝕏
X / Twitterx.com/imgproxy_net
⌘
GitHubgithub.com/imgproxy/imgproxy
in
LinkedInwww.linkedin.com/company/imgproxy/
💬
Discorddiscord.gg/5GgpXgtC9u